The weekend-long event, which is one of the main highlights of the Edinburgh Science Festival, sees professional and amateur competitions taking place on Dunbar beach.
Take a look at some of the weird and wonderful sculptures created from rocks and stones in our picture gallery.
. DUNBAR, SCOTLAND - JULY 10: Enthusiasts take part in the European Stone Stacking Championships on July 10, 2021, in Dunbar, Scotland. The championships now in its fifth year, is Europe’s largest championships for all Stone Stacking and Rock Balancing enthusiasts and artists. (Photo by Jeff J Mitchell/Getty Images)
Enthusiasts take part in the European Stone Stacking Championships on July 10, 2021, in Dunbar, Scotland. The championships now in its fifth year, is Europe's largest championships for all Stone Stacking and Rock Balancing enthusiasts and artists. (Photo by Jeff J Mitchell/Getty Images) Photo: Jeff J Mitchell
. A towering effort
One of the artists competing in the event builds an impressive tower with stones of rocks. Photo: Jeff J Mitchell
. Easy does it
This competitor takes care to build his masterpiece at the European Stone Stacking Championships. Photo: Jeff J Mitchell
. One stone at a time
A competitor takes part in Europe's largest championships for all Stone Stacking and Rock Balancing enthusiasts and artists. Photo: Jeff J Mitchell
. A fine balance
Enthusiasts take part in the European Stone Stacking Championships in Dunbar. Photo: Jeff J Mitchell
1. A towering effort
One of the artists competing in the event builds an impressive tower with stones of rocks. Photo: Jeff J Mitchell
2. Easy does it
This competitor takes care to build his masterpiece at the European Stone Stacking Championships. Photo: Jeff J Mitchell
3. One stone at a time
A competitor takes part in Europe's largest championships for all Stone Stacking and Rock Balancing enthusiasts and artists. Photo: Jeff J Mitchell
4. A fine balance
Enthusiasts take part in the European Stone Stacking Championships in Dunbar. Photo: Jeff J Mitchell